Bitcoin Testnet RPC Endpoint and API

Use OnFinality for Bitcoin Testnet RPC endpoints, BTC testnet API access, and developer testing workflows. OnFinality supports teams that need reliable Bitcoin testnet infrastructure for wallet testing, transaction workflows, and backend development before mainnet.

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Public endpoint rate limit: 5 req/sec

Quick Start

Mainnet Testnet

curl -H 'Content-Type: application/json' -d '{"jsonrpc":"1.0","id":0,"method":"getbestblockhash"}' 'https://bitcoin-testnet.api.onfinality.io/public'

curl -H 'Content-Type: application/json' -d '{"jsonrpc":"1.0","id":0,"method":"getbestblockhash"}' 'https://bitcoin-testnet.api.onfinality.io/public'

HTTPs

https://bitcoin-testnet.api.onfinality.io/public

https://bitcoin-testnet.api.onfinality.io/public

Go to Growth Plan

High Performance
Powerful RPC Analytics
Up to 500 rps
No daily response limit
Priority Support
Decentralized Servers

Get Started

OnFinality Bitcoin Testnet RPC features

OnFinality provides authenticated Bitcoin Testnet RPC endpoints with the following capabilities:

Archive access: Query historical blockchain data for deep analysis.
Usage analytics: Monitor request volume, errors, and limits through the OnFinality dashboard.
Scaling path: Start with shared RPC APIs and upgrade to higher-capacity plans or dedicated nodes as your needs grow.
Global infrastructure: Endpoints are served from OnFinality's infrastructure, ensuring low latency and high availability.

Resources

Additional Info

Build faster with Bitcoin Testnet RPC endpoints

Use OnFinality's Bitcoin Testnet RPC APIs to connect wallets, dApps, dashboards, bots, and backend services without operating your own node from day one.

Public endpoint testing

Start with the Bitcoin Testnet public RPC endpoint for lightweight checks, prototypes, and quick integration tests.

Authenticated API access

Move production traffic to authenticated endpoints when you need clearer limits, analytics, and operational visibility.

Standard RPC methods

Query Bitcoin Testnet blocks, transactions, balances, events, and chain state through HTTP and WebSocket workflows.

Operate Bitcoin Testnet infrastructure with more control

Production teams need more than an endpoint URL. They need observability, predictable capacity, and a path from shared RPC access to isolated infrastructure.

Request visibility

Track usage patterns and response activity so your team can understand traffic growth before it becomes an incident.

Dedicated node path

Use dedicated Bitcoin Testnet nodes when your workload needs isolated resources, custom operations, or stronger capacity planning.

Archive and historical data

Plan for archive access when analytics, audits, indexers, or advanced app features need older Bitcoin Testnet state.

Choose the right Bitcoin Testnet RPC setup

Different Bitcoin Testnet products need different infrastructure. OnFinality gives teams a practical path from public RPC testing to production-grade API and node operations.